Ineed the process in finding the answer! -15 - 7 - (-11)

How many zeros does the function f(x)=4x3-x2+1 have

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

What is the factor form of x^2-9x+14